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Molecules, atoms, ions, or other small particles of whatever sort are moving all the time; there is random thermal motion even when these particles are part of a larger object which is not moving. These moving particles are constantly bouncing off each other, in perfectly elastic collisions in which no energy is lost, so they just keep moving. The result of this random motion is that a concentration of a substance will gradually spread out, unless it is contained in some manner.
In summery random motion of a substance resulting in movement from area of high to lower concentration.
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∙ 13y ago
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What controls diffusion and osmosis in and out of a cell?
the nucleus controls both osmosis and diffusion in and out of a cell
What gas moves into or out of cell diffusion?
Oxygen moves into the cell and Carbon Dioxide moves out of the cell due to diffusion
What type of diffusion helps glucose enter the cell?
facilitated diffusion
When does diffusion occur across a cell membrane?
Diffusion across a cell membrane occurs when concentrations of a substance are higher either inside or outside the cell.
What includes diffusion osmosis and facilitated diffusion?
diffusion and osmosis are types of ways to get materials into or out of a cell
What are the consequences for a cell if it cannot carryout osmosis and diffusion effectively?
The cell will work but not very well because osmosis and diffusion did not occur but sometimes it will work anyways
What controls diffusion and osmosis in and out of a cell?
the nucleus controls both osmosis and diffusion in and out of a cell
How are diffusion and facilitated diffusion similar?
Substances enter a cell through the cell membrane
What gas moves into or out of cell diffusion?
Oxygen moves into the cell and Carbon Dioxide moves out of the cell due to diffusion
Where diffusion occur?
Diffusion occurs on the cell membrane.
What cell part plays a role in diffusion?
The plasma membrane of a cell plays a role in diffusion.
How does osmosis and diffusion limit the size of a cell?
diffusion and osmosis limit the size of a cell by how fast is can move
When particles move out of a cell through diffusion the cell?
If the diffusion is moving particles from higher to lower concentration, it uses no energy from the cell; this is passive diffusion. However, if it is active diffusion, the cell is pumping out specific molecules into a higher concentration, therefore using energy.
How does diffusion help maintain homeostasis?
Diffusion allows the cell to passively transport the waste chemicals out side of the cell so that the cell is not harmed.
What stops the cell process of diffusion?
What stops the process of diffusion in cells?
Osmosis is the diffusion of?
Osmosis is the diffusion of water across the cell membrance
What type of diffusion helps glucose enter the cell?
facilitated diffusion
